Reciprocating grater with removable toolplate



Feh 11, 1949. T. H. WALKER RECIPROCATING GRATER WITH REMOVABLE TOOL PLATE 2 Sheets-Sheet 1 Filed March 5, 1945 THER ON H. WALKER,

INVENTOR.

ATTORNEY Feb. 1, 1949. 1 WALKER 2,460,663

RECIPROCATING GRATER WITH REMOVABLE TOOL PLATE Filed March 3', 1945 v 2 Sheets-Sheet 2 VV VV 6 ATTORNEY I Q Q Q Q Q Q THERON lj gg Q Q Q Q 1 W' Patented Feb. 1 1949 entral) "RECIPRO'CATINGSGnATER' WITH FREMOVABLEJEOOEBEATE 24:01aims.

The invention relates 'grater'or slicer forve'getables,*fruits or the -like.

An object of the invention isto-providaa-grat-er "or slicer wherein the "hand of the-'operator is not subjected to injury vby the grating or "slicing'surface as would ordinarily be' thecase-where the hand of 'the operator is=en'1pl0'yed to: move' the fruit or vegetable over the grateror slicer. "Ac- "cording to the presentinvention,-meansare provided'for advancing the food or' the 1ike'to"the grating or slicingtool withoutany likelihood of the'hand of the operator coming' in contact with the tool. v

An object of the invention is to provide a tool of the class described-wherein one harid of the operator-may be employed to reciprocatethe' tool;

- the other hand being employed for advancing the "material to 'the to'ol,--the arrangement preferably being such that the 'pressure' applied to 'advance the :rnaterial to 'the 'tool'serves also tdhbldthe "deviceonits'support.

:Another object offthe invention=is to' provide 'an' article of the .class described with means permittingvarious jgraters or"s1icers ,to be interchanged.

'Another object of thekinventio n'is toprov'ide stop "means "for limiting the motion of "the tool :in opposite directions; :wherein. =the"stop *me'ans Wise.

to yimprovem'entsi'in a; Figsf'l and 81are plant views of difierent forms nOf tooliplateswhich maybe employed in the .de-

:iramef2 toe-which is removably secured: a. desired vice-Joffthe :otherj fi ures.

; Fig.- 9 israsectional-viewon line" 9190f .Fig; 10,

' 1r Referring in detail r to the drawings,i-.the..grater or *slicer: l ;of\ this; invention :compr'ises1a11t0ol :toolzplate ;3, the frame 2 havinguachandle 4 by ..:means of which it'icanibereciprocate'd .on aguide :platerofhopper 5' across the openiend .of a hopper 1.6. TThewegetableporeiruit ortheilike to be'sliced v or :gratedisplace-din thehopper 6 and'thefhandle l is pushed downwardly tox swing thet-pusher 8 and advance the food in .the hopper 5116.: against 12x11 .of..the parts of the: device I are preferably made ofzsheet metal: suchzas. sheet iron s'tampin'gs coated with tin. The'iframei'lis, likewise, preferably made: of sheet1metal and provided withdn- Another object of "the'invention ;is tofprovlde a device of the character described wherein a handle on a pusher. for advancing the-material through a hopper to the-toolismoVabIe-toWardS {the r'eciprocatingj'path of thertool *whereby-fthe two hands of the "operator are,' generally-' speaking, compressed together "while one of-themis reciprocating the tool, and the other "is advanct ing the material to the tool.

'For further. details of th'einvention; reference may be made to the?drawin'gawherein:

'Figurell is a perspective view "oflaxgreater or slicer according. to the "present invention.

Fig. 2 isa plan" ViBWJOf' the'tool 'holderjorirame I and'rto'o'l, plate of Fig. 1. p

Fig. 3 isan enlargedsectional-'view,"with-parts brokenawav,,onlint-dofliig; 2.

lTFig. 4', is a vertical sectional view of' thed'evice Fig. '5 is.a"rear"view 'in"elevationiofthe device turned' fian'ges 9 and 10 on its opposite edges, to

*engageiand ride onithe upturned fianges l I and The upper portion of the -frame-"Z is i preferably not cut away in 1 order to: provide strengthand to thisimperforateportion I3 is riveted or:otherwise secured the handle l, the upper endl4-:of

which is preferably bentacross the topof the frame 2 in order to ser-ve as'a stopland engage the rubber bumper l5 (see-Fig 4) esuitablysecured to theupper endof the pIate E.

The --lower part 0f the frame 2 :is cut away :to

' provide a rectangular-opening I 6 overwhich the "tool-plated fits from the rear' ofplate2 so that 40* pressure applied to the material in hopper 6 by 5 plate N5 'in position on frame-= 2. The lengthand -breadth-o the tool plate 3 areslig'htly larger the =pusher=-8- serves to hold the removable tool than i the cor-responding dimensions of the rec- 7 tan'gnlaropening I 6 and the lateral edges ll and [8 of the tool plate dare-"shown as overlyingthe side edges l 9 and 20,- respectively, of the frame =2,-'in" Fig'.--6.

In-order to provide for removabilityJofitheztool plate 3, the bottom 'of'the frame 2 is providedwith one or moreinwardly and downwardly projecting "lugs; two beingillustrated at 21- andi'.2 2,stamped out 'from-the sheet metal tofira'm'e 2. .Onenf'these lugs i'l is shown atthe bottom' of Fig.3; and-:it is adapted to be engaged by an aperturet 23 pinwithe lower end oi the tool*plate3g the upperiendzofrtool they are interchangeable to fit the lugs 2i and 22, i and apertures 26 and 21.

plate 3 having an integral spring'roll edge 24' adapted to project through and resiliently engage by friction the lower edge 25 of an aperture 26 stamped out of an intermediate portion of the frame 2. The lugs 2!, 22 hold the lower end of the tool plate 3 against the rear face of the frame 2. Lugs 2|, 22 also resist the spring tension in the spring roll 24. If the lower end of handle 4 projects below the lower edge 24 as indicated in Fig. l, the slot 25 preferably should not extend behind the lower end of handle 4 and the roll edge 24 is intercepted by the lower end of handle 4; that is, the slot 26 is, in effect, two aligned slots, the other one being 21, and. the roll edge 24 is, in fact, two aligned roll edges, the other being shown at 28, with the material of frame 2 behindthe lower end of handle 4 imperforate for rigidity.

Motion of the tool frame 2 in an upwardly direction is releasably limited by a verticallyextending lug 29 struck out of the plate at the side thereof, as indicated in Figs. 1 and 9, and cooperating therewith is a pivoted catch 30 having an inturned lug 3i which passes through a slot 32 in the frame 2, the slot 32 permitting thei} pivoted lug 3! to be moved by handle 33 to the position shown in Fig. 9, where the lug 3! extends across and under the lug 29 to limit the upward movement of the toolframe 2. The slot 32 also permits the catch to be rotated about 90 to all position where lug 3! is parallel to and at one 30 and rearwardly projecting knives 34. A different":

form oftool plate 35 having a diiferent arrangement of downwardly directed knives 36 as indicated in Fig. 7. A still different form of tool plate 31 having one or more downwardly directed knives 33 each of which may angularly extend almost the full width of the tool plate, is shown in Fig. 8. The tool plate 35 has apertures 39 at its lower end and a spring roll 40 at its upper end like that previously described for tool plate 3, and the same is true of all the other tool plates so that The hopper 6 laterally or rearwardly projects from the plate 5 with the end 4| of the hopper 6 terminating at the plate 5. The plate 5 has at: hole 42 stamped out of it, somewhatin the shape of a sector of a circle. This is shown partly in Fig. 1, and also in Fig. 5. The hopper 6 is somewhat V in shape and it conforms to the V-shape of the sides and bottom of the aperture 42, and the?- hopper 6 is secured therein by having integral lugs 43, shown in Figs. 1 and 5, which extend 4 pusher 8 is somewhat V-shaped as indicated in Fig. 5, to conform substantially to the contour of the hopper 6.

As shown in Figs. 1 and 4, the pusher handle 1 is somewhat in the shape of a D, the vertical branch of which is riveted to the pusher plate 8,

as indicated at 5|, the horizontal branch 52 of which extends parallel to the bottom of the hopper 5 when the pusher 8 is in its innermost position, shown in dotted lines at 53 in Fig. 4, where the ends of the metal strip forming the handle 1, as indicated at 54 in Fig. 4, serve as a stop and strike the outer end of the hopper 6.

The pusher 8 is pivoted on a transverse axis on hinge 55, at the rear of the upper end of plate 5, as indicated in Figs. 4 and 5. The flange 45 which forms a foot is arranged preferably at one side of a-vertical through the hinge 55, and with the foot piece 46 aranged on the other side of that vertical, whereby downward pressure on hinge applied by handle 1, serves to hold the device on its support,'not shown. The transverse hinge 55 also provides an arrangement where the two hands of the operator are, generally speaking, moved towards, each other in operating the device, as the arc of feeding movement of the pusher 8 is in a direction toward the line of movement of the handle 4. This operation is facilitated by arranging the handle 4 on the tool plate 2 and the handle 9 on the pusher 8 on the outer surfaces thereof, opposite to their adjoining surfaces. Re-

ferring to Fig. 4, if a vertical is dropped from hinge 55, it will be seen that the bottom of the hopper 5 extends on opposite sides of this vertical,

' its outer end being more remote from the vertical than its inner end which merges with the opening 42 in the slide supporting plate; also this vertical intersects the angle formed by the inclined slide the frame with its tool plate 3 inan inclined upright position, as shown in Figs. 1 and 4, so that the grater or slicer and its action can be readily I inspected.

across the front edge of the aperture 42 and are inserted through apertures like 44 and bent over at the rear of the plate 5. p Y 3 The lower end of plate 5 has a transverse flange 45 serving as a foot to rest on a horizontal support, and a companion foot piece 45 is formed of a sheet metal bracket 47 which is secured to the outer end of hopper 5, as indicated at 48.

As shown in Fig. 4, the pusher 5 is provided with teeth 49 which may be struck out from the sheet metal body of the pusher 8, to prevent the fruit or vegetable, as indicated at 50 in Fig. 4, from turningwhen itis ,advanced'to and operated on by the tool plate 3. The contour of the Various modifications may be made in the invention without departing from the spirit of the following claims.

I claim:

1 A comminuting tool slide having an opening and means removably securing a tool plate over said opening, said means comprising a spring roll on one end of said plate and said slide having a cooperating aperture for said spring roll above said opening, also downwardlyprojecting lu means on said slide below said opening and cooperating aperture means at the other end of said tool plate, said lug means serving to hold said tool plate against one side of said slide and hold said spring roll in frictional engagement with its said aperture with said spring-roll projecting therethrough to. the other side of said slide.

extending on opposite sides of a, vertical line through said hinge, and said slide support supporting said holder for sliding movement on one side of said vertical and said hinge supporting said pusher handle for swinging movement on other side of said vertical whereby downward pressure on said slide holder handle and downward pressure on said pusher handle serve to steady said slide support and hopper on said foot rest.

3. A comminuting utensil according to claim 2 wherein said hopper has an outer end at some distance from one side of said vertical and an inner end merging with an opening in said slide support at a less distance from and on the other side of said vertical.

4. A comminuting utensil according to claim 2 wherein said slide support is inclined downwardly and outwardly, the angle formed by said inclined slide support with said pusher when partially open being intersected by a vertical through said hinge.

THERON H. WALKER.

REFERENCES CITED The following references are of record in the file of this patent: I I

UNITED STATES PATENTS Number 

